图书管理系统.doc

1N21N2a. b. (1)(2)(3)c. (1)(2)d. 30312Charchar charCharchar4N=52? C+Reader,Rdatabase,Book, Bdatabase, 1RDatabaseread.txtredereadread.txt2BDatabasebook.txtbookbookbook.txt3 4 I/OI/O5 1. Readerint tag;/ 10int no;/char name10;/int borbookMaxbor;/2. Rdatabase, int top;/Reader readMaxr;/3. Book,int tag;/ 10int no;/char name20;/int onshelf;/ 1 04. BDatabase,int top;/Book bookMaxb;/1. ReaderReader(),2. RDatabaseRdatabaseread.txtrede3. BookBook(),4. BDatabasebook.txtbook?Readergetname()setname()Bookgetname()setname()?1. RDatabaseRdatabasereadread.txt2. BDatabaseBdatabasebookbook.txt?=?1. 2. 3. 4. ? 1Readdata()Readdate()21. for(int i=0;iMaxbor;i+)for(int i=1;iMaxbor;i+)2. brerror C2660: retbook : function does not take 1 parameters C+/*/*#include#include#include#includeconst int Maxr=1000;/const int Maxb=10000;/const int Maxbor=8;/8class Reader /int tag;/ 10int no;/char name10;/int borbookMaxbor;/public :Reader()/char *getname()return name;/int gettag()return tag;/int getno()return no;/void setname(char na)/strcpy(name,na);void delbook()tag=1;/void addreader(int n,char *na)/tag=0;no=n;strcpy(name,na);for(int i=0;iMaxbor;i+)borbooki=0;void borrowbook(int bookid)/for(int i=0;iMaxbor;i+)if(borbooki=0)borbooki=bookid;int retbook(int bookid)/for(int i=0;iMaxbor;i+)if (borbooki=bookid)borbooki=0;return 1;return 0;void disp()/coutsetw(5)nosetw(10)name;for(int i=0;i,Maxbor;i+)if(borbooki!=0)coutborbookiendl;?class RDatabase/int top;/Reader readMaxr;/public:RDatabase()/reader.txtreadReader s;top=-1;fstream file(reader.txt,ios:in);while(1)file.read(char*)&s,sizeof(s);if(!file)break;top+;readtop=s;file.close();void clear()/top=-1;int addreader(int n,char *na)/Reader *p=query(n);if(p=NULL)top+;readtop.addreader(n,na);return 1;return 0;Reader*query(int readerid)/for(int i=0;i=top;i+)if(readi.getno()=readerid&readi.gettag=0)return &readi;return NULL;void disp()/for(int i=0;i=top;i+)readi.disp();void readerdata();/RDatabase()/readreader.txtfstream file(reader.txt,ios:out);for(int i=0;i=top;i+)if(readi.gettag()=0)file.write(char*)&readi,sizeof(readi);file.close();void RDatabase:readerdata()int choice=1;char rname20;int readerid;Reader*r;while(choice!=0)cout 1 2 3 4 5 6 0choice;switch(choice)case 1:coutreaderid;coutrname;addreader(readerid,rname);break;case 2:coutreaderid;r=query(readerid);if(r=NULL)coutendl;break;coutrname;r-setname(rname);break;case 3:coutreaderid;r=query(readerid);if(r=NULL)coutdelbook();break;case 4:coutreaderid;r=query(readerid);if(r=NULL)coutendl;break;case 5:disp();break;case 6:clear();break;?class Book/int tag;/ 10int no;/char name20;/int onshelf;/ 1 0public:Book()char*getname()return name;/int getno()return no;/int gettag()return tag;/void setname(char na)/strcpy(name,na);void delbook()tag=1;/void addbook(int n,char*na)/tag=0;no=n;strcpy(name,na);onshelf=1;int borrowbook()/if(onshelf=1)onshelf=0;return 1;return 0;void retbook()/onshelf=1;void disp()/coutsetw(6)nosetw(18)namesetw(10)(onshelf=1?:)endl;?class BDatabase/int top;/Book bookMaxb;/public:BDatabase()/book.txtbookBook b;top=-1;fstream file(book.txt,ios:in);while(1)file.read(char*)&b,sizeof(b);if(!file)break;top+;booktop=b;file.close();void clear()/top=-1;int addbook(int n,char*na)/Book*p=query(n);if(p=NULL)top+;booktop.addbook(n,na);return 1;coutendl;Book*query(int bookid)/for(int i=0;i=top;i+)if(booki.getno()=bookid&booki.gettag()=0)return NULL;void bookdata();/void disp()for(int i=0;i=top;i+)if(booki.gettag()=0)booki.disp();BDatabase()/bookbook.txtfstream file(book.txt,ios:out);for (int i=0;i=top;i+)if(booki.gettag()=0)file.write(char*)&booki,sizeof(booki);file.close();void BDatabase:bookdata()int choice;char bname40;int bookid;Book *b;while(choice!=0)cout 1 2 3 4 5 6 0choice;switch(choice)case 1:coutbookid;coutbname;addbook(bookid,bname);break;case 2:coutbookid;b=query(bookid);if(b=NULL)coutendl;break;coutbname;b-setname(bname);coutendl;break;case 3:coutbookid;b=query(bookid);if(b=NULL)coutdelbook();break;case 4:coutbookid;b=query(bookid);if(b=NULL)coutdisp();break;case 5:disp();break;case 6:clear();break;?void main()int choice=1,bookid,readerid;RDatabase ReaderDB;Reader *r;BDatabase BookDB;Book *b;while(choice!=0)cout 1? endl;cout 2? endl;cout 3? endl;cout 4? endl;cout 0? choice;switch(choice)case 1:coutreaderid;coutbookid;r=ReaderDB.query(readerid);if(r=NULL)cout;break;b=BookDB.query(bookid);if(b=NULL)coutborrowbook()=0)coutborrowbook(b-getno();break;coutendl;case 2:coutreaderid;coutbookid;r=ReaderDB.query(readerid);if(r=NULL)coutretbook();r-retbook(b-getno();break;coutendl;case